When you are out of Tomato sauce, try Pesto Sauce - you will definitely like this.
Start with Basil, Roasted Pecans, Garlic cloves, Parmesan Cheese, Olive Oil, Salt & Pepper in a food processor and grind them to make a paste. You can substitute the pecan for walnut, pine nuts, almonds, or even pistachios. It might take over the tomato sauce and become your favorite!